//  simple_ls program  -------------------------------------------------------//

//  Copyright Jeff Garland and Beman Dawes, 2002

//  Use, modification, and distribution is subject to the Boost Software
//  License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
//  http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/libs/filesystem for documentation.

#include "simple_ls.h"
#include "boost/filesystem/operations.hpp"
#include "boost/filesystem/path.hpp"
#include "boost/progress.hpp"
#include <iostream>

namespace fs = boost::filesystem;

int simple_ls( int argc, char* argv[] )
{
	boost::progress_timer t( std::clog );
	
	fs::path full_path/*( fs::initial_path<fs::path>() )*/;
	
	if ( argc > 1 )
		full_path = fs::system_complete( fs::path( argv[1], fs::native ) );
	else
		std::cout << "\nusage:   simple_ls [path]" << std::endl;
	
	unsigned long file_count = 0;
	unsigned long dir_count = 0;
	unsigned long other_count = 0;
	unsigned long err_count = 0;
	
	if ( !fs::exists( full_path ) )
	{
		std::cout << "\nNot found: " << full_path.native_file_string() << std::endl;
		return 1;
	}
	
	if ( fs::is_directory( full_path ) )
	{
		std::cout << "\nIn directory: "
			<< full_path.native_directory_string() << "\n\n";
		fs::directory_iterator end_iter;
		for ( fs::directory_iterator dir_itr( full_path );
		dir_itr != end_iter;
		++dir_itr )
		{
			try
			{
				if ( fs::is_directory( dir_itr->status() ) )
				{
					++dir_count;
					std::cout << dir_itr->path().leaf() << " [directory]\n";
				}
				else if ( fs::is_regular( dir_itr->status() ) )
				{
					++file_count;
					std::cout << dir_itr->path().leaf() << "\n";
				}
				else
				{
					++other_count;
					std::cout << dir_itr->path().leaf() << " [other]\n";
				}
				
			}
			catch ( const std::exception & ex )
			{
				++err_count;
				std::cout << dir_itr->path().leaf() << " " << ex.what() << std::endl;
			}
		}
		std::cout << "\n" << file_count << " files\n"
			<< dir_count << " directories\n"
			<< other_count << " others\n"
			<< err_count << " errors\n";
	}
	else // must be a file
	{
		std::cout << "\nFound: " << full_path.native_file_string() << "\n";    
	}
	return 0;
}